. >> what was fascinating about this project, first of all, the kind of science that you do for a living. you basically find out what we as people can handle when it comes to drama and exposure to these kind of horrifying, you know, events. there were crash test dummies in a lot of these seats. they were very expensive, weren't they? >> there are, about $150,000 uninstrumented. the data acquisition system needed to collect the data, all of that. we had probably at least, probably about 500,000 plus worth of instrumentation on that plane. >> you wanted to know every single ounce of data. every single knee that would get skinned on an airplane. >> exactly. because this isn't something we do every day. >> '84 was the last time you did it. >> we wanted to collect as much information as possible. and that was what was great about discovery. they allowed us to do that. they viewed this as a science experiment. >> now everybody wants to know where should i sit on an airplane? we've all heard the lore you'll die if you're in first class, you're better to be in the middle, no, the tail, then you